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Finding the Third Proportional to 678,082 and 996,099

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Solution

The third proportional to 678,082 and 996,099 is: 1,463,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,082 : 996,099 = 996,099 : x
  2. Step 2: Convert to fraction form
    678,082/996,099 = 996,099/x
  3. Step 3: Cross multiply
    678,082x = 996,099 × 996,099
  4. Step 4: Simplify right side
    678,082x = 992,213,217,801
  5. Step 5: Solve for x
    x = 992,213,217,801/678,082
  6. Step 6: Final answer
    x = 1,463,264.35

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.